Display screen with a graphical user interface



The FIGURE is a front view of a display screen with a graphical user interface according to the claimed design.

The dot-dash broken line showing of a display screen illustrates the boundary of the design and forms no part of the claim. The remaining even-length broken lines, including all text, illustrate portions of the graphical user interface that form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen with a graphical user interface, as shown and described. 